CVE-2025-69261
📋 TL;DR
A vulnerability in WasmEdge WebAssembly runtime allows integer overflow in memory boundary checking, leading to segmentation faults. This affects all systems running WasmEdge versions before 0.16.0-alpha.3. Attackers could potentially cause denial of service or memory corruption.
💻 Affected Systems
- WasmEdge
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution through memory corruption leading to complete system compromise
Likely Case
Denial of service through segmentation faults causing application crashes
If Mitigated
Application instability and potential crashes with limited impact
🎯 Exploit Status
Exploitation requires crafting malicious WebAssembly modules to trigger the integer overflow
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 0.16.0-alpha.3
Vendor Advisory: https://github.com/WasmEdge/WasmEdge/security/advisories/GHSA-89fm-8mr7-gg4m
Restart Required: Yes
Instructions:
1. Update WasmEdge to version 0.16.0-alpha.3 or later
2. Recompile any applications using WasmEdge
3. Restart services using WasmEdge
🔧 Temporary Workarounds
Input validation for WebAssembly modules
allImplement strict validation of WebAssembly module inputs before execution
Memory limit restrictions
allConfigure WasmEdge with strict memory limits to contain potential overflow
wasmedge --memory-pages-limit 1000
🧯 If You Can't Patch
- Isolate WasmEdge instances in containers with limited privileges
- Implement network segmentation to limit access to WasmEdge services
🔍 How to Verify
Check if Vulnerable:
Check WasmEdge version: wasmedge --versionCheck Version:
wasmedge --versionVerify Fix Applied:
Verify version is 0.16.0-alpha.3 or later and test with known malicious WebAssembly modules📡 Detection & Monitoring
Log Indicators:
- Segmentation fault errors in application logs
- Unexpected WasmEdge process termination
Network Indicators:
- Unusual WebAssembly module uploads to services using WasmEdge
SIEM Query:
process.name:"wasmedge" AND (event.type:"segmentation_fault" OR exit_code:139)